Black sand can be found when tides are particularly high sediment contains volcanic ash local residents prefer it to light sand all the sand is washed away from the beach

What evidence is there that convection occurs in earth’s troposphere?

The negative impacts of nonnative species generally outweigh the positive impacts

Monomers are the building blocks of larger molecules, called polymers. for example, proteins are composed of chains of amino acids that are linked together. cellulose is a polymer that makes up plant cell walls. cellulose is made from a chain of c6h10o5 molecules. which monomers are most likely used to produce cellulose? why?